Cruising down the highway tonight going about 65 and the truck just shut off and won't start back up. Already had the CPS replaced by Ford. I am thinking it was the chip came unseated off the PCM and caused it.

Any ideas? I am going to try and replace the CPS again tomorrow and then try and put the chip back on the PCM.

If the light's been on, there's a Stored Code that your code reader isn't capable of reading. Most aren't, our trucks are not, specifically, OBD-II and Generic Code Readers aren't of much use. Auto Parts Stores use the same thing, you need to find someone with a professional scanner and find out why that light is ON (I'd remove the chip for now to be sure it's not doing this)

Alternatively, you could invest in great diagnostic tool like the AutoEnginuity (@$350) for now and the future. If you happen to have an Android device, know something about curing communication problems with it, and are OK with limiting yourself to just reading codes (as opposed to doing 95% of what the dealership uses like the AE can) there's always the new TorqApp

But seriously, that code will be the quickest and surest way to find the problem.

Well yes,,, just that you want a small tipped iron and thin solder so you don't bridge the lands. You can always go back and fix a bridge it if happened, just need to be careful and look at it with a glass when you're done.

PHP offers it as a service it's so commonly done as people scrape theirs down too much when removing the coating on the board. I did mine just to ensure a tight connection, I found it an easy thing to do but I have a lot of soldering experience...

If it's something you're uneasy with, or unsure of your ability, go to GoodWill, buy a $10 computer, pull some cards out, and practice. Tinning is simple and easy, but a little bit of practice on throw away parts is never a bad thing. You're not resoldering wires, your recovering contacts with solder. They're flat strips of copper on the card. Bare copper is bad, as it readily corrodes and hinders electrical flow. It doesn't take much, but you do need to balance heat and solder quantity to get a nice even layer. Like NoRalph said, get a pointy tip and thin strand solder. I'm sure you can find a few youtube videos showing you how to do it.

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